MC1489MELG 查看數據表（PDF） - ON Semiconductor

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MC1489MELG

Quad Line EIA-232D Receivers

ON Semiconductor 

MC1489, MC1489A

+ 5.0 Vdc

R

MOS

Logic

MC1489

DTL or TTL

-VGG -VDD

+ 5.0 Vdc

+ 5.0 Vdc

Figure 12. Typical Translator Application − MOS to DTL or TTL

Response-Control Pin

Input

8.0 k

VCC

1/2 MC1489

VCC

Input

8.0 k

Response-Control Pin

Output

Output

Figure 13. Typical Paralleling of Two MC1489, A Receivers to Meet EIA−232D

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